I re-installed Windows 11 due to failing drive. After installing windows, it activated automatically, but it shows Home and not Pro

[Microsoft Windows]

I re-installed windows 11 to my computer due to failing disk. Originally it is Windows 11 home, but upgraded it to Pro 8 months ago. After installation, it activated automatically as windows 11 home. I tried replacing the product key using the key I save prior to re-installing it but it won't change to Windows 11 Pro. What do I need to do.

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